Science & Technology
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Halogenated and Aromatic Volatile Organic Compounds (VOCs) by Gas Chromatography: SW-846 Methods 8010A and 8020A or Method 8021A
Summarizes holding times and preservation for halogenated and aromatic volatile organic compounds by gas chromatography. Also provides a target compound list, and calibration procedures.
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September 2017 MOVES Model Review Work Group Meeting Materials
September 2017 MOVES Model Review Work Group Meeting Materials.
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Frequent Questions: Nutrient Criteria Implementation
Information related to Frequent Questions: Nutrient Criteria Implementation
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Verified Technologies for SmartWay and Clean Diesel
Diesel Technology Assessment Center evaluates and verifies the emission reduction capabilities and durability of emission reduction technologies
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6PPD-quinone
Learn about 6PPD-quinone and what EPA is doing to address it.
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Certification and Compliance for Vehicles and Engines
Compliance information for vehicle and engine industry stakeholders about certifying vehicles and engines through EPA, including paying fees and reporting for compliance.
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Guidelines for Deriving Numerical National Water Quality Criteria for the Protection of Aquatic Organisms and Their Uses
Criteria produced by these Guidelines are intended to be useful for developing water quality standards, mixing zone standards, and effluent limitations.
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Beaches
Learn about water pollution at beaches, advisories at specific beaches, how the EPA protects beach water quality and what you can do to help.
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BOSC EC Meeting - December 2022
BOSC EC Meeting - December 2022
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Ecoregional Nutrient Criteria for Wetlands
This document present EPA's nutrient criteria for Wetlands in Ecoregion XIII. It contains EPA's recommendations to states and authorized tribes for establishing their water quality standards. These recommended criteria are not laws
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Water Quality Standards Regulations: Miccosukee Tribe of Indians of Florida
Information related to Water Quality Standards for Miccosukee Tribe of Indians of Florida.
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Stream Nutrients Project
EcoDIVER (Ecological Database and Interactive Visualizations of Evidence Records) is an interactive, online data portal that allows users to access and interact with scientific evidence relevant to specific topics or questions.
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Clean Air Act Second Prospective Report Study Science Advisory Board Review, February 19, 2010
The following materials were submitted to the Air Quality Modeling Subcommittee (AQMS) technical subcommittee of the section 812 Council pursuant to their February 19, 2010 review meeting in Washington, D.C.
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Webinar: New Renewable Natural Gas Projects by LMOP Partners in Texas and New York
LMOP webinar on November 12, 2024 about two new landfill gas-to-renewable natural gas projects in Texas and New York.
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Guidance for Using Daily Average Aquatic Concentrations in Ecological Drinking Water Assessments
This memorandum announces a change in the way EFED calculates acute EECs for ecological assessments and acute EDWCs for human health assessments in surface water.
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Managing Air Quality - Emissions Inventories
This page describes the role of emission inventories in the air quality management process, a description of how emission inventories are developed, and where U.S. emission inventory information can be found.
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Presidential Green Chemistry Challenge: 2009 Designing Greener Chemicals Award
Presidential Green Chemistry Challenge 2009 award winners, Procter & Gamble Co. (P&G) and Cook Composites and Polymers Co. (CCP), developed Chempol MPS resins and Sefose sucrose esters to enable high-performance low-VOC alkyd paints.
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Study Profile Templates - Series 890 - Endocrine Disruptor Screening Program Test Guidelines
These templates are for use in preparation for the data evaluation record (DER) for the indicated study.
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Guidance for Classifying Studies Conducted Using the OECD Test Guideline 223 (TG223) (Acute Avian Oral Sequential Dose Study)
Guidance based on comparison of results from the TG223 validation studies to results from avian acute oral studies previously submitted to EPA for two test chemicals following EPA's 850.2100 (public draft) guidelines.
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Cleanups at Federal Facilities
Learn about contaminated federal facility sites in communities, access fact sheets and find tools and resources to help government agencies and their contractors fulfill cleanup obligations.